CN103166995B

CN103166995B - A kind of video transmission method and device

Info

Publication number: CN103166995B
Application number: CN201110418170.8A
Authority: CN
Inventors: 张戬; 权威; 张鹏; 姜怡
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-12-14
Filing date: 2011-12-14
Publication date: 2016-08-10
Anticipated expiration: 2031-12-14
Also published as: US20140321378A1; CN103166995A; US9706565B2; JP5928758B2; WO2013086953A1; JP2015506149A

Abstract

The embodiment of the present invention provides a kind of video transmission method and device, relates to the communications field, it is possible to reduce feedback time, thus realizes making full use of resource or reducing the purpose of loss of data.Its method includes: base station receives the second video data bag and first feedback information for the first video data bag of subscriber equipment transmission that server sends, and be scheduling processing according to described first feedback information, and after described dispatch deal, according to the result of described dispatch deal, described second video data bag is transferred to subscriber equipment.

Description

A kind of video transmission method and device

Technical field

The present invention relates to the communications field, particularly relate to a kind of video transmission method and device.

Background technology

It is currently based on multimedia service application more and more extensive, such as video of mobile communications network Meeting, video monitoring, tele-medicine etc..For effectively utilizing wireless network resource, improve video The real-time of application, the transmission of video needs to make corresponding tune according to the change of channel quality Whole.

Generally, subscriber equipment and server can mutual transmitting video data bag, server passes through The feedback information receiving subscriber equipment adjusts the transmission of video, and feedback time used is longer, this Sample results in server can not adjust the transmission of video in time, is easily caused the utilization of resources insufficient Or loss of data.

Summary of the invention

Embodiments of the invention provide a kind of video transmission method and device, it is possible to reduce during feedback Between, thus realize making full use of resource or reducing the purpose of loss of data.

For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that

A kind of video transmission method, including:

Base station receives the second video data bag that server sends, and described second video data bag is The current group video data bag that described server sends；

Described base station receives the first feedback for the first video data bag that subscriber equipment sends Information, and be scheduling processing according to described first feedback information, wherein, described first video Packet is upper one group of video data bag of described second video data bag, described upper one group of video Packet is that described base station receives from described server and forwards to described subscriber equipment；

After described dispatch deal, according to the result of described dispatch deal by described second video counts It is transferred to described subscriber equipment according to bag.

A kind of base station, including:

First receives unit, sets for the second video data bag and user receiving server transmission The first feedback information for the first video data bag that preparation is sent；Described second video data bag For the video data bag of current group, described first video data bag is described second video data bag Upper one group of video data bag；Described upper one group of packet is that base station receives also from described server Forward to described subscriber equipment；

First processing unit, for according to described first receive that unit received described first anti- Feedforward information is scheduling processing；

First transmitting element, is used for after described first processing unit carries out described dispatch deal, According to the result of described dispatch deal, described second video data bag is sent to described user set Standby.

A kind of video transmission method, including:

Base station receives the 3rd feedback information that subscriber equipment sends, and described 3rd feedback information is institute The quantity of the video data bag stated in subscriber equipment in each transmission buffer area；

Described base station is according to described 3rd feedback information transmission buffer area to described subscriber equipment In video data bag be scheduling process；

Described base station receives the video data bag after the dispatch deal that described subscriber equipment sends, and Video data bag after described dispatch deal is sent to server.

A kind of base station, including:

First Transmit-Receive Unit, receives the 3rd feedback information that subscriber equipment sends, described 3rd anti- Feedforward information is the quantity of the video data bag in described subscriber equipment in each transmission buffer area；

Second processing unit, for described 3rd feedback received according to described first Transmit-Receive Unit Information sends the video data bag in buffer area and is scheduling processing described subscriber equipment；

Described first Transmit-Receive Unit is further additionally operable to, and receives the tune that described subscriber equipment sends Video data bag after degree process, and the video data bag after described dispatch deal is sent to clothes Business device.

A kind of video transmission method, including:

Network condition information is also sent to subscriber equipment by base station detection wireless channel conditions, so that Obtain described subscriber equipment and described network condition information is fed back to server；

Described base station receives described server according to regarding that described network condition information coding obtains Frequently packet；

Described video data bag is sent to described subscriber equipment by described base station.

A kind of video transmission method, including:

Subscriber equipment receives the network condition information of base station transmission and by described network condition information Feed back to server, so that described server obtains video counts according to network condition information coding According to bag；

Described subscriber equipment receives the described video data bag forwarded by described base station.

A kind of video transmission method, including:

Server receives the network condition information fed back by subscriber equipment；

Described server adjusts code level and by video data according to described network condition information Encode according to the code level after adjusting, the data after coding are packaged into video data Bag；

Described video data bag is sent to base station by described server, so that base station regards described Frequently packet is transmitted to described subscriber equipment.

A kind of base station, including:

Detector unit, is used for detecting wireless channel conditions, and is sent to network condition information use Family equipment, so that described network condition information is fed back to server by described subscriber equipment；

5th receives unit, for after described detector unit detects described network condition information Receive described server and encode the video data bag obtained according to described network condition information；

First transmitting element, for receiving, by the described 5th, the described video data that unit receives Bag is sent to described subscriber equipment.

A kind of subscriber equipment, including:

6th receives unit, for receiving the network condition information that base station sends；

Feedback unit, for receiving, by the described 6th, the described network condition information that unit receives Feed back to server, so that described server is regarded according to described network condition information coding Frequently packet；

Described 6th receives unit is additionally operable to receive the described video data forwarded by described base station Bag.

A kind of server, including:

8th receives unit, for receiving the network condition information fed back by subscriber equipment；

Coding encapsulation unit, described network-like for receive according to described 8th reception unit Condition information adjusts code level and is encoded according to the code level after adjusting by video data, Data after coding are packaged into video data bag；

Second transmitting element, for the described video data bag encapsulated by described coding encapsulation unit It is sent to base station, sets so that described video data bag is transmitted to described user by described base station Standby.

Embodiment of the present invention one video transmission method and device, receive server by base station and send out The the second video data bag sent and subscriber equipment send for the first of the first video data bag Feedback information, and be scheduling processing according to described first feedback information, and in described scheduling office After reason, according to the result of described dispatch deal, described second video data bag is transferred to user and sets Standby, thus again feedback information is sent to server without base station, such that it is able to reduce feedback Time, namely make base station that feedback information can be utilized in time to be scheduling processing, so may be used To make full use of resource or to reduce loss of data, improve the real-time of transmission of video, and fully Make use of air interface resource, improve systematic function.Furthermore it is also possible to received by base station The 3rd feedback information that subscriber equipment sends, and according to described 3rd feedback information to described user The video data bag sent in buffer area of equipment is scheduling processing；Then dispatch deal is received After video data bag, and the video data bag after described dispatch deal is sent to server, Thus again feedback information is sent to server without base station, during such that it is able to reduce feedback Between, namely make base station that feedback information can be utilized in time to be scheduling processing, the most permissible Make full use of resource or reduce loss of data, improve the real-time of transmission of video, and fully profit By air interface resource, improve systematic function.Furthermore it is also possible to detect nothing by base station Line network condition, and network condition information is sent to subscriber equipment, so that subscriber equipment will Network condition information feeds back to server, and server is then adjusted according to the network condition information received Video data is also encoded by whole code level according to the code level after adjusting, after encoding Data be packaged into video data bag；Video data bag after processing is sent to base station, so that Obtain base station and the video data bag after described process is transmitted to subscriber equipment, namely examined by base station Measure network condition information, so timely than the feedback information detected by subscriber equipment, thus can To reduce feedback time, namely enable the server to utilize network condition information to carry out in time Dispatch deal, so can make full use of resource or reduce loss of data, improve transmission of video Real-time, and take full advantage of air interface resource, improve systematic function.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings Figure.

The schematic flow sheet of a kind of video transmission method that Fig. 1 provides for embodiment 1；

The structured flowchart of a kind of base station that Fig. 2 provides for embodiment 1；

The schematic flow sheet of a kind of video transmission method that Fig. 3 provides for embodiment 2；

The structured flowchart of a kind of base station that Fig. 4 provides for embodiment 2；

The schematic flow sheet of a kind of video transmission method that Fig. 5 provides for embodiment 3；

The structured flowchart of a kind of base station that Fig. 6 provides for embodiment 3；

The structured flowchart of a kind of subscriber equipment that Fig. 7 provides for embodiment 3；

The structured flowchart of a kind of server that Fig. 8 provides for embodiment 3.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention, Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection Scope.

Embodiment 1:

Embodiments provide a kind of video transmission method, the method be by server to Family equipment sends video data bag, as it is shown in figure 1, the method comprises the following steps:

101, base station receives the second video data bag that server sends.

Described second video data bag can be: by described server by weights different in video image The data in the property wanted region obtain the volume in different importance region according to different coded system codings Code stream, then a group obtained after the encoding stream in each region is packaged into video data bag respectively regards Frequently packet.Described second video data bag can include regarding of a frame or multi-frame video image Frequently packet, in each frame video image, the data in different importance regions are according to different codings Mode encodes the encoding stream obtaining different importance regions, then by the encoding stream difference in each region It is packaged into a video data bag, therefore in the second video data bag, variant importance region has one Individual or multiple video data bags.

Concrete, in an encoding process, owing to the final observer of image is human eye, and human eye Different to the visual sensitivity of zones of different, therefore can be by the data of video image according to human eye Different visual sensitivities are divided into the data in different importance region, then by difference importance district The data in territory separately encode, thus obtain multiple codings in corresponding different importance region Stream.Specifically, described different importance region can use different type of codings, as the heaviest Wanting region to use the type of coding of first water, the most unessential region uses the volume of minimum quality Code type；Described different importance region can also use identical type of coding to use difference Code rate, as most important region use the highest code rate, the most unessential region use Minimum code rate；Described different importance region can be to use hierarchical coding mode, as Inessential region uses one layer of coding, the most only Primary layer, and secondary important area uses two layer encoding, I.e. including Primary layer and the first enhancement layer, most important region then uses three layers of coded system, i.e. Including Primary layer, the first enhancement layer and the second enhancement layer.Here can be by the number of video image According to the data in the region being divided into two or more according to the different visual sensitivities of human eye, In this no limit.

Described second video data bag is to use one or more Deta bearer/connections to pass Defeated.The most described second video data bag can be transferred to base station, also by a carrying/connection Base station can be transferred to by a plurality of carrying/connection.Base station is received by a plurality of carrying/connection Described second video data bag can be pressed after video data bag in described second video data bag It is stored in different memory blocks according to different carrying/connections.This transmission method is prior art, Those skilled in the art have a clear understanding of, and do not repeat them here.

102, base station receives the first feedback for the first video data bag that subscriber equipment sends Information.

Wherein, described first video data bag is upper one group of video of described second video data bag Packet, described second video data bag be described server send currently organize video data Bag；Described upper one group of video data bag or when previous group video data bag be that described base station is from described Server receives and forwards to described subscriber equipment.One group of video data bag described here is Refer to receive a series of videos between two feedback informations that described subscriber equipment sends in base station Packet, or within above a period of time, a series of video counts that server sends to base station According to bag；The video data bag of current group is that server is currently transmitted or is waiting base A series of video data bags of scheduled transmission of standing.The first described video data wraps in feedback information It is a series of between described first feedback information and a upper feedback information when periodically sending Video data bag, or be within above a period of time when feedback information event sends, clothes A series of video data bags that business device sends to base station.

Subscriber equipment can be for described the after receiving the first video data bag of being sent by base station One video data bag oneself reception condition of detection, and the parameter of oneself reception condition will be represented with the The mode of one feedback information is sent to base station.Concrete, the mode of described first feedback information can be PDCP (Packet Data Convergence Protocol, PDCP) state is reported, RLC (Radio Link Control, wireless spread-spectrum technology) state is reported, MAC CE (Media Access Control, Control Elements, medium education, control unit) and RRC (Radio Resource Control, radio resource control) mode such as message；Existing message can be used And increase new IE (Information Element, information element) wherein, it is possible to use new Message.

Wherein, described first feedback information may include that relative time delay, packet loss, average Handling capacity and subscriber equipment receive caching or at least one ginseng playing in the data volume in caching Number.Refer to described relative time delay the video data bag of certain frame to arrive before as reference, after The relative time delay of the video data bag arrived.Described packet loss can be owing to arriving subscriber equipment Receive caching too late, it is impossible to decoding, the video data bag abandoned by subscriber equipment；Can also be Total packet loss that subscriber equipment detects, the packet loss being included in transmitting procedure and due to arrive The bag abandoned too late and by subscriber equipment.Described average throughput i.e. subscriber equipment is in the time of measurement The average throughput of the video data bag that interior measurement is arrived.Described subscriber equipment receives caching or plays Data volume in caching is that subscriber equipment receives caching or plays the video data bag amount in caching.

103, base station is scheduling processing according to described first feedback information.

Optionally, base station can also be further before being scheduling processing according to described first feedback information Execution step S1:

The encoding stream in different importance regions in described second video data bag is read in S1, base station.

Concrete, DPI (Deep Packet Interpretation, deep packet can be passed through in base station Resolve) technology reading described second video data bag differentiation volume corresponding to described video data bag Code stream.

Further, in case the video data bag that the encoding stream of zones of different is corresponding is distinguished by base station It is scheduling processing, can be selected for step S21 or S22.

S21, base station are by the coding in importance regions different described in described second video data bag The video data bag that stream is packaged into is respectively stored in different buffer areas.

The described base station each video data bag institute in identifying described second video data bag After corresponding encoding stream, this video data bag can be stored in should the volume in importance region In the buffer area of code stream, in case the video data that base station is corresponding to different importance regional code streams Bag is scheduling processing respectively.The video data bag that described different importance regional code stream is corresponding Have different dispatching priorities.

S22, base station are the video data bag that the encoding stream in described different importance region is packaged into It is respectively configured different radio bearer RB (Radio bearer, radio bearer).

Described different RB has different dispatching priorities.Described each RB is by correspondence one Individual PDCP entity and a RLC entity, the corresponding same video traffic of the most multiple RB. Base station configures new RB by specific messages to user.Described specific messages can be RRC Connection Reconfiguartion (RRC connection reconfigures) message, it is also possible to be new RRC information.Described subscriber equipment receives the new RB configuration that base station sends in proprietary message After, apply described configuration message.The reception that the different video packet received is stored in correspondence is delayed Deposit or in the PDCP/RLC entity of correspondence.

If described first feedback information can include relative time delay, packet loss, initially broadcast time delay, Average throughput and subscriber equipment receive caching or play at least in the data volume in caching ?.Base station is scheduling process according to described feedback information and specifically includes:

Described first feedback information and the second feedback information are compared by base station, described second anti- Feedforward information is the feedback information of the upper one group of video data bag for described first video data bag.

Being deteriorated if the result of feedback is the quality of reception, the most described comparative result includes below at least One of situation: relative time delay is elongated, packet loss change is big, and average throughput reduces, and plays slow Deposit data amount reduces；Then carry out described dispatch deal according at least one of in the following manner: abandon by The video data bag that least encoding stream of important area data is packaged into, reduces by the most important district The dispatching priority of the video data bag that the encoding stream of numeric field data is packaged into, promotes by most important district The dispatching priority of the video data bag that the encoding stream of numeric field data is packaged into, and promote this user The dispatching priority of equipment.Meanwhile, base station needs record currently to treat the strategy of different coding stream, If after base station adjusts and applies current strategy, finding the result that described subscriber equipment feeds back Still be deteriorated for video quality, then base station can further adjustable strategies, such as, will be The video data bag that the encoding stream of unessential two regions or more multizone is corresponding abandons, this mistake Journey can be with repetitive cycling, until the video data that the encoding stream in the most remaining most important region is corresponding Bag.Contrary, improving if feedback result is the quality of reception, i.e. comparative result includes below at least One of situation: relative time delay shortens, packet loss diminishes, and average throughput increases, and plays slow Deposit data amount increases；Then carry out described dispatch deal according at least one of in the following manner: promote The priority of the video data bag that the encoding stream of inessential area data is packaged into, not to described Two video data bags carry out discard processing, and reduce the dispatching priority of described subscriber equipment.

Optionally, if described first feedback information includes: the reception caching of described subscriber equipment In data volume, then be scheduling process according to described first feedback information described in base station and include:

If the described data volume received in caching is less than or equal to the first minimal protection door preset Limit, then improve the dispatching priority of described subscriber equipment, and/or, abandon by the most important district The video data bag that the encoding stream of numeric field data is packaged into；And/or, receive in caching if described Data volume more than or equal to the first the highest protection thresholding preset, then reduces the tune of this subscriber equipment Degree priority.Meanwhile, base station needs to record current adjustable strategies, in order to base station is receiving Further adjusted on the basis of current adjustable strategies during to next feedback information.Example As: receive the data volume in caching described in the feedback information that base station receives more than or equal to institute When stating the first the highest protection thresholding, base station reduces the dispatching priority of described subscriber equipment, if base In next feedback information that station receives receive caching in data volume still above or be equal to Described first the highest protection thresholding, then base station reduced the dispatching priority of described subscriber equipment in last time The dispatching priority of described subscriber equipment is again reduced on the basis of Ji.

Described first minimal protection threshold value and described first the highest protection threshold value can be agreements I.e. being preset in base station of default configuration；Can also be that server is sent to base station；Also may be used Be user equipment to report to base station, subscriber equipment is used for reporting the first minimal protection threshold value Message can be MAC CE, it is also possible to be RRC information；Can use existing message and Wherein increase new IE, it is possible to use new message.Wherein said first minimal protection threshold value Different with described first the highest protection threshold value value.

104, after described dispatch deal, described second video data bag is transferred to described use Family equipment.

Base station, can be by described after processing described subscriber equipment or the second video data packet scheduling Second video data bag is transferred to described subscriber equipment according to the result of dispatch deal.

It should be noted that owing to above steps 101～104 can be that persistent loop is carried out , but when server sends first group of video data bag by base station to subscriber equipment, due to Described subscriber equipment did not the most receive video data bag, therefore did not send feedback to described base station Information, therefore base station is not required to be scheduling described first group of video data bag processing, directly by institute State first group of video data bag and be transparently transmitted to subscriber equipment.

Further, if during carrying out step 101～104, base station can receive at any time and regard Frequently application state information, described Video Applications status information is that described subscriber equipment is at any time to base station Send.If described Video Applications status information is for closing, the most described base station stops dispatch deal And transmission is for the subsequent video data bag of described subscriber equipment；Or described base station is to described service Device sends expiry notification so that described server stops regarding for the follow-up of described subscriber equipment Frequently the transmission of packet；If described Video Applications status information is for stopping or suspending, the most described base Stand and suspend dispatch deal and transmit the subsequent video data bag for described subscriber equipment；Or it is described Base station sends to described server suspends notice so that described server suspends for described use The transmission of the subsequent video data bag of family equipment；If described Video Applications status information is buffering, Dispatch deal and the transmission subsequent video data for described subscriber equipment is continued in the most described base station Bag.

The embodiment of the present invention additionally provides a kind of base station, as in figure 2 it is shown, include the first reception list Unit 201, the first processing unit 202, the first transmitting element 203.

First receives unit 201, for receiving the second video data bag and use that server sends The first feedback information for the first video data bag that family equipment sends.

Described first receives the video that the second video data bag is current group that unit 201 receives Packet, described first video data bag is upper one group of video counts of described second video data bag According to bag；Described upper one group of packet is that base station receives and to described subscriber equipment from described server Forward.One group of video data bag described here refers to that receive described subscriber equipment sends out in base station A series of video data bags between two feedback informations sent, or in above a period of time In, a series of video data bags that server sends to base station；The video data bag of current group is That server is currently transmitted or waiting a series of video counts that base station scheduling transmits According to bag.It is described first anti-that the first described video data wraps in when feedback information period sends A series of video data bags between feedforward information and a upper feedback information, or at feedback information Event is within above a period of time when sending, a series of videos that server sends to base station Packet.

Described first the second video data bag receiving unit 201 reception can be: by described clothes The data in importance regions different in video image are encoded by business device according to different coded systems Obtain the encoding stream in different importance region, then the encoding stream in each region is packaged into respectively regards Frequently the one group of video data bag obtained after packet.Described second video data bag can include The video data bag of one frame or multi-frame video image, different importance districts in each frame video image The data in territory obtain the encoding stream in different importance region according to different coded system codings, then The encoding stream in each region is packaged into respectively a video data bag, therefore the second video data bag In variant importance region have one or more video data bag.

Subscriber equipment can be for described the after receiving the first video data bag of being sent by base station One video data bag oneself reception condition of detection, and the parameter of oneself reception condition will be represented with the The mode of one feedback information is sent to base station.Concrete, the mode of described first feedback information can be PDCP state is reported, RLC state is reported, the mode such as MAC CE and RRC information；Can make By existing message and increase new IE wherein, it is possible to use new message.

Wherein, the first feedback information that described first reception unit 201 receives may include that Relative time delay, packet loss, average throughput and subscriber equipment receive caching or play in caching At least one parameter in data volume.Regarding of certain frame referring to described relative time delay to arrive before Frequently packet is reference, the relative time delay of the video data bag arrived below.Described packet loss can Be due to arrive subscriber equipment receive caching too late, it is impossible to decoding, abandoned by subscriber equipment Video data bag；Can also be total packet loss of detecting of subscriber equipment, be included in and be transmitted across Packet loss in journey and the bag abandoned too late and by subscriber equipment due to arrival.Described average throughput The average throughput of the video data bag that i.e. subscriber equipment was measured within the measurement time.Described use It is that subscriber equipment receives caching or plays that family equipment receives the data volume in caching or broadcasting caching Video data bag amount in caching.

First processing unit 202, for receive that unit is received according to described first described the One feedback information is scheduling processing.

Described first processing unit 202 receives institute specifically for receiving unit 201 described first Different importance regions in described second video data bag are read after stating the second video data bag Encoding stream.Encoding stream encapsulation by importance regions different described in described second video data bag The video data bag become is respectively stored in different buffer areas, or is described different importance The video data bag that the encoding stream in region is packaged into is respectively configured different RB.

Described first receive unit 201 receive described subscriber equipment send for described Described first feedback information of the first video data bag includes relative time delay, packet loss, averagely gulps down In the case of the amount of telling, at least one parameter play in buffer data size, described first processes list Unit is specifically for comparing described first feedback information and the second feedback information；Described comparison Result includes at least one of situations below: relative time delay shortens, and packet loss diminishes, average throughput Amount increases, and plays buffer data size increase；Then promote the coding of least important area data The priority of the video data bag that stream is packaged into, does not abandons described second video data bag Process, and reduce the dispatching priority of this described subscriber equipment；If described comparative result includes At least one of situations below: relative time delay is elongated, packet loss change is big, and average throughput reduces, And play buffer data size reduction；Then carry out described scheduling office according at least one of in the following manner Reason: abandon the video data bag being packaged into by the encoding stream of least important area data, reduce by The dispatching priority of the video data bag that least encoding stream of important area data is packaged into, promotes The dispatching priority of the video data bag being packaged into by the encoding stream of most important region data, and Promote the dispatching priority of described subscriber equipment；Described second feedback information is for described first The feedback information of upper one group of video data bag of video data bag.

The feelings of the data volume received in caching of subscriber equipment are included at described first feedback information Under condition, described first processing unit 201 is little specifically for the data volume in caching when described reception In or equal to preset the first minimal protection thresholding time, improve the dispatching priority of described subscriber equipment Level, and/or, abandon the video data bag being packaged into by the encoding stream of least important area data； And/or, described first processing unit is specifically for being more than when the described data volume received in caching Or during equal to the first the highest protection thresholding preset, reduce the dispatching priority of described subscriber equipment Level.

Wherein said first minimal protection threshold value or described first the highest protection threshold value can be I.e. being preset in base station of agreement default configuration；Can also be that server is sent to base station； Can also is that user equipment to report to base station, subscriber equipment is used for reporting the first minimal protection door The message of limit value can be MAC CE, it is also possible to is RRC information；Existing message can be used And increase new IE wherein, it is possible to use new message.Wherein said first minimal protection door Limit value is different with described first the highest protection threshold value value.

First transmitting element 203, for carrying out described scheduling at described first processing unit 202 After process, described second video data bag is sent to described according to the result of described dispatch deal Subscriber equipment.

Subscriber equipment or second are regarded by the first transmitting element 203 at described first processing unit 202 Frequently after data packet dispatching processes, can be by described second video data bag according to the result of dispatch deal It is transferred to described subscriber equipment.

It should be noted that when server sends first group of video counts by base station to subscriber equipment During according to bag, owing to described subscriber equipment did not the most receive video data bag, therefore not to described Base station sends feedback information, therefore the first of base station receives unit 201 and do not receive described first anti- Feedforward information, described first processing unit 202 is not required to adjust described first group of video data bag Degree processes, and directly described first group of video data bag is transparently transmitted to subscriber equipment.

Further, described the first of base station receives unit 201 and can receive Video Applications at any time Status information, described Video Applications status information is that described subscriber equipment sends to base station at any time 's.If described Video Applications status information is for closing, then the first processing unit 203 stops scheduling Process and transmit the subsequent video data bag for described subscriber equipment；Or send out to described server Send expiry notification so that described server stops the subsequent video number for described subscriber equipment Transmission according to bag；If described Video Applications status information is for stopping or suspending, then first process list Unit 203 suspends dispatch deal and the transmission subsequent video data bag for described subscriber equipment；Or Send to described server and suspend notice so that described server time-out sets for described user The transmission of standby subsequent video data bag；If described Video Applications status information is buffering, then institute State base station and continue dispatch deal and the transmission subsequent video data bag for described subscriber equipment.

Server described in the embodiment of the present invention is to can be used to receive and send setting of video Standby terminal, can be an independent equipment, it is also possible to other nets being arranged in network system On network equipment.Described base station includes but not limited to eNB (evolved Node B, evolved base Stand), NB (NodeB, base-station node), B S (Base Station Controller, base station), And femto (Home eNodeB).

In the embodiment of the present invention, the base station shown in Fig. 2 can be used in the method shown in Fig. 1.

Embodiments provide a kind of video transmission method and base station, receive clothes by base station Business device send the second video data bag and subscriber equipment send for the first video data bag The first feedback information, and be scheduling processing, and described according to described first feedback information After dispatch deal, according to the result of described dispatch deal, described second video data bag is transferred to Subscriber equipment, is thus sent to server by feedback information again without base station, such that it is able to subtract Few feedback time, namely makes base station that feedback information can be utilized in time to be scheduling processing, So can make full use of resource or reduce loss of data, improve the real-time of transmission of video, And take full advantage of air interface resource, improve systematic function.

Embodiment 2:

Embodiments provide a kind of video transmission method, the method be by subscriber equipment to Server sends video data bag, as it is shown on figure 3, the method comprises the following steps:

301, base station receives the 3rd feedback information that subscriber equipment sends.

Described 3rd feedback information is the video in described subscriber equipment in each transmission buffer area The quantity of packet.

Subscriber equipment can regularly detect the video in described subscriber equipment in each transmission buffer area The quantity of packet.And by anti-with the 3rd for the quantity of the video data bag in described transmission buffer area The mode of feedforward information is sent to base station.Concrete, the mode of described 3rd feedback information can be PDCP state is reported, RLC state is reported, the mode such as MAC CE and RRC information；Can make By existing message and increase new IE wherein, it is possible to use new message.

302, base station is according to described 3rd feedback information transmission buffer area to described subscriber equipment In video data bag be scheduling process.

The video data bag sent in buffer area of described subscriber equipment can be: by described user The data in importance regions different in video image are encoded by equipment according to different coded systems Obtain the encoding stream in different importance region, then the encoding stream in each region is packaged into respectively regards Frequently the one group of video data bag obtained after packet, described video data bag uses one or more Deta bearer/connection is transmitted.

Optionally, the encoded stream information corresponding to described video data bag can be read in described base station.

Concrete, base station can be read by DPI technology and be regarded described in the differentiation of described video data bag Frequently the encoding stream corresponding to packet.

Described base station is after reading the encoded stream information corresponding to described video data bag, it is also possible to For the RB that described video data bag is differently configured, in case the coding that base station is to follow-up zones of different The video data bag that stream is corresponding is scheduling processing respectively.

Described different RB has different dispatching priorities.Described each RB is by correspondence one Individual PDCP entity and a RLC entity, the corresponding same video traffic of the most multiple RB. Base station configures new RB by specific messages to user.Described specific messages can be RRC Connection Reconfiguartion message, it is also possible to be new RRC information.Described use After family equipment receives the new RB configuration that base station sends, apply described configuration message.Will not It is stored in receiving in caching or entering in the PDCP/RLC entity of correspondence of correspondence with video data stream Row sends.

Described 3rd feedback information is the video in described subscriber equipment in each transmission buffer area The quantity of packet.If the data volume sent in buffer area of described subscriber equipment is less than or equal to The the second minimal protection thresholding preset, then reduce described subscriber equipment and send video counts in buffer area Priority according to bag；If described subscriber equipment sends the data volume in buffer area more than or equal to pre- If the second the highest protection thresholding, then improve described subscriber equipment and send video data in buffer area The priority of bag.

Wherein, described second minimal protection thresholding and the second the highest protection threshold value can be agreements Default configuration, it is also possible to be that server is sent to base station, it is also possible to be user equipment to report To base station.For reporting the message of the second minimal protection threshold value can be MAC CE, also It can be RRC information；Existing message can be used and increase new IE wherein, it is possible to so that By new message.

Optionally, described 3rd feedback information can also is that the video coding rate of subscriber equipment, If described base station receives the video coding rate that described subscriber equipment sends, base station can be same Time adjust with reference to the BSR (Buffer Status Report, buffer status report) that receives Degree.Specifically, base station can calculate the data of every frame video image by video coding rate Amount size, and with reference to BSR information, calculate and reasonably distribute to the upper of described subscriber equipment Row transfer resource, to ensure the smooth transfer of video data bag.Alternatively, described subscriber equipment When sending BSR to described base station requests uplink transmission resource, described difference can be regarded Frequently the cache information of packet is reported respectively to base station.

303, the video data bag after base station receives dispatch deal, and by after described dispatch deal Video data bag be sent to server.

Base station video data bag in described subscriber equipment sends caching is scheduling place Can will receive, according to the result of dispatch deal, the video data bag that subscriber equipment sends after reason, and will Described video data bag is sent to server.

Carry out it should be noted that above steps can be persistent loop.

The embodiment of the present invention additionally provides a kind of base station, and as shown in Figure 4, described base station includes: First Transmit-Receive Unit 401, the second processing unit 402,

First Transmit-Receive Unit 401, receives the 3rd feedback information that subscriber equipment sends.

Second processing unit 402, described in receiving according to described first Transmit-Receive Unit 401 The video data bag that described subscriber equipment is sent in buffer area by the 3rd feedback information is adjusted Degree processes.

The video data bag sent in buffer area of described subscriber equipment can be: by described user The data in importance regions different in video image are encoded by equipment according to different coded systems Obtain the encoding stream in different importance region, then the encoding stream in each region is packaged into respectively regards Frequently the one group of video data bag obtained after packet, described video data bag uses one or more Deta bearer/connection is transmitted.Described video data bag can include that a frame or multiframe regard Frequently the video data bag of image, in each frame video image the data in different importance regions according to Different coded system codings obtains the encoding stream in different importance region, then by each region Encoding stream is packaged into a video data bag respectively, therefore variant important in described video data bag There is one or more video data bag in property region.Its specific coding mode is the most detailed Thin description, does not repeats them here.

Optionally, described second processing unit 402 is for reading the video data bag having been received by The encoding stream in middle different importance region；And by described in the described video data bag having been received by The video data bag that the encoding stream in different importance regions is packaged into is respectively configured different wireless Carrying RB.

Concrete, the second processing unit 402 can read described video data by DPI technology Bag, and distinguish the encoding stream corresponding to described video data bag.Second processing unit 402 is being read After taking the encoded stream information corresponding to described video data bag, it is also possible to for described video data bag Differently configured RB, in case the volume that the second processing unit 402 is to follow-up different importance regions The video data bag that code stream is corresponding is scheduling processing respectively.Described different RB has difference Dispatching priority.Described each RB is by real to one PDCP entity of correspondence and a RLC Body, the corresponding same video traffic of the most multiple RB.Base station is configured to user by specific messages New RB.Described specific messages can be that RRC Connection Reconfiguartion disappears Breath, it is also possible to be new RRC information.Described subscriber equipment receives the new of base station transmission After RB configuration, apply described configuration message.Different video data stream is stored in the reception of correspondence It is transmitted in caching or in the PDCP/RLC entity of correspondence.

Described second processing unit 402 is additionally operable to, if in the transmission buffer area of described subscriber equipment Video data bag quantity less than or equal to preset the second minimal protection thresholding, then reduce institute That states subscriber equipment sends the priority of video data bag in buffer area；If described subscriber equipment The quantity sending the video data bag in buffer area is more than or equal to the second default the highest protection Thresholding, then that improves described subscriber equipment sends the priority of video data bag in buffer area.

Wherein, described second minimal protection thresholding and the second the highest protection threshold value can be agreements Default configuration, it is also possible to be that server is sent to base station, it is also possible to be user equipment to report To base station.For reporting the message of the second minimal protection threshold value can be MAC CE, also It can be RRC information；Existing message can be used and increase new IE wherein, it is possible to so that By new message.The difference that described second minimal protection thresholding and the second the highest protection threshold value take.

Optionally, described 3rd feedback information can also is that the video coding rate of subscriber equipment, If described base station receives the video coding rate that described subscriber equipment sends, base station can be same Time be scheduling with reference to the BSR that receives.Specifically, base station can by video coding rate To calculate the data volume size of every frame video image, and with reference to BSR information, calculate conjunction The uplink transmission resource distributing to described subscriber equipment of reason, to ensure the smooth of video data bag Transmission.Alternatively, described subscriber equipment can be to described base station requests uplink transmission resource When sending BSR, the cache information of described different video packet is reported respectively to base station.

Described first Transmit-Receive Unit 401 is further additionally operable to, and receives the video after dispatch deal Packet, and the video data bag after described dispatch deal is sent to server.

The transmission of described subscriber equipment is delayed by the first Transmit-Receive Unit 401 at the second processing unit 402 The video data bag deposited can be used receiving according to the result of dispatch deal after being scheduling processing The video data bag that family equipment sends, and described video data bag is sent to server.

Server described in the embodiment of the present invention is to can be used to receive and send setting of video Standby terminal, can be an independent equipment, it is also possible to other nets being arranged in network system On network equipment.Described base station includes but not limited to eNB, NB, B S, and femto.

In the embodiment of the present invention, the base station shown in Fig. 4 can be used in the method shown in Fig. 3.

Embodiments provide a kind of video transmission method and device, received by base station and use The 3rd feedback information that family equipment sends, and according to described 3rd feedback information, described user is set The standby video data bag sent in buffer area is scheduling processing；Then after receiving dispatch deal Video data bag, and the video data bag after described dispatch deal is sent to server.This Sample is no need for base station and again feedback information is sent to server, such that it is able to reduce feedback time, Namely make base station that feedback information can be utilized in time to be scheduling processing, so can be abundant Utilize resource or reduce loss of data, improve the real-time of transmission of video, and take full advantage of Air interface resource, improves systematic function.

Embodiment 3:

Embodiments provide a kind of video transmission method, as it is shown in figure 5, the method bag Include following steps:

501, after video data encoding is packaged into video data bag by server, passed by base station It is defeated by subscriber equipment.

The data of video image are encoded by server according to certain code level, and will compile Data after Ma are packaged into video data bag, and then described video data bag is just passed through by server Base station is sent to subscriber equipment, subscriber equipment finally receive use.

Concrete, in an encoding process, owing to the final observer of image is human eye, and human eye Different to the visual sensitivity of zones of different, therefore can be by the data of video image according to human eye Different visual sensitivities are divided into the data in different importance region, then according to different codings Rank encodes, thus obtains multiple encoding streams in corresponding different importance region.Specifically, Described different importance region can use different code level, as most important region uses High level type of coding, the most unessential region uses the type of coding of lowest level.At this In can by the data of video image according to the different visual sensitivities of human eye be divided into two kinds or The data in two or more regions, in this no limit.The coded system of described highest level is The image coded system the most clearly that coding obtains, the coded system of described lowest level is coding The image obtained coded system the most clearly.

502, base station detection wireless channel conditions, and network condition information is sent to user sets Standby.

Base station detects current wireless channel conditions, and network condition information is sent to user Equipment.

Concrete, base station can ECN (Explicit Congestion in downstream IP bag Notification, explicit congestion indication) value in territory is set to whether analog value represents network congestion, As " 11 " represent congested, " 10 " or " 01 " represent normal, and " 00 " represents the free time etc., This value be provided with multiple situation, do not limit at this.Base station will include network condition information IP bag be sent to subscriber equipment.

503, subscriber equipment receives the network condition information that base station sends, and by described network-like Condition information feeds back to server.

Subscriber equipment receives the IP bag including network condition information, parses in described IP bag Network condition information, and by network condition information by base station feedback to server.

504, server adjusts code level and by video data according to described network condition information Encode according to the code level after adjusting, and the data after coding are packaged into video data Bag.

Wherein, obtain video data bag according to described network condition information coding to include: work as network When condition information is network congestion, reduce the code level of data as selected low-qualityer coding Type and/or select lower video coding rate, and by the data of video image according to this volume Code rank encodes, and the data after coding are packaged into video data bag；When network condition is believed Breath for network idle time, improve data code level such as select higher-quality type of coding and / or select higher video coding rate, and by the data of video image according to this code level Encode, the data after coding are packaged into video data bag.

In actual applications, when subscriber equipment feedack also includes other feedback informations, As relative time delay, packet loss, initially broadcast time delay, average throughput etc. time, these feedback letter Breath is in prior art, subscriber equipment is to the information of server feedback, and server will be anti-with reference to these Feedforward information is to being coded into Row sum-equal matrix, and its concrete method of adjustment those skilled in the art are Have a clear understanding of, do not repeat them here.

505, the video data bag after server will process is sent to base station.

506, the video data bag after described process is transmitted to subscriber equipment by base station.

It should be noted that owing to above steps is persistently carried out, so in real work During be not limited to above-mentioned cited order.

Embodiments provide a kind of video transmission method, detect wireless network by base station Situation, and network condition information is sent to subscriber equipment, so that subscriber equipment is by network-like Condition information feeds back to server, and server then adjusts coding according to the network condition information received Video data is also encoded, by the data after coding by rank according to the code level after adjusting It is packaged into video data bag；Video data bag after processing is sent to base station, so that base station Video data bag after described process is transmitted to subscriber equipment, is namely detected net by base station Network condition information, so timely than the feedback information detected by subscriber equipment, such that it is able to reduce Feedback time, namely enables the server to utilize network condition information to be scheduling place in time Reason, so can make full use of resource or reduce loss of data, improve the real-time of transmission of video Property, and take full advantage of air interface resource, improve systematic function.

Embodiments provide a kind of base station, as shown in Figure 6, including: detector unit 601, the 5th receives unit 602, the first transmitting element 603.

Detector unit 601, is used for detecting wireless channel conditions, and network condition information is sent To subscriber equipment, so that network condition information is fed back to server by subscriber equipment.

Detector unit 601 detects current wireless channel conditions, and network condition information is sent out Give subscriber equipment, so that network condition information is fed back to server by subscriber equipment.

Concrete, base station the value in ECN territory in downstream IP bag can be set to analog value generation Whether table network congestion, and as " 11 " represent congested, " 10 " or " 01 " represent normal, " 00 " Represent idle etc., this value be provided with multiple situation, do not limit at this.Base station will include The IP bag of network condition information is sent to subscriber equipment, so that subscriber equipment parses described Network condition information in IP bag, and network condition information is fed back to server.

5th receives unit 602, for detecting described network-like in described detector unit 601 Receive described server after condition information and encode the video counts obtained according to described network condition information According to bag.

First transmitting element 603, described in receiving described 5th reception unit 602 Video data bag is sent to described subscriber equipment.

Server can adjust code level according to the network condition information of subscriber equipment feedback and incite somebody to action Video data encodes according to the code level after adjusting, and the data after coding is packaged into and regards Frequently packet is sent to base station.Base station the 5th reception unit 602 receive described server according to Network condition information encodes the video data bag obtained, and the first transmitting element 603 is by described video Packet is sent to described subscriber equipment.

Embodiments provide a kind of subscriber equipment, as it is shown in fig. 7, comprises: the 6th connects Receive unit 701, feedback unit 702.

6th receives unit 701, for receiving the network condition information that base station sends.

Feedback unit 702, for receiving, by the described 6th, the described network that unit 701 receives Condition information feeds back to server, so that described server is compiled according to described network condition information Code obtains video data bag.

After base station detects current wireless channel conditions, can be sent to network condition information use Family equipment.Subscriber equipment receives described network condition information, and by described network condition information Feed back to server, so that described server obtains video counts according to network condition information coding According to bag.

Concrete, the value in ECN territory in downstream IP bag, the base station is set to analog value and represents net Whether congested network is, and as " 11 " represent congested, " 10 " or " 01 " represent normal, " 00 " Represent idle etc., this value be provided with multiple situation, do not limit at this.Base station will include The IP bag of network condition information is sent to subscriber equipment, and subscriber equipment reception includes network-like The IP bag of condition information, subscriber equipment parses the network condition information in described IP bag, and will Network condition information feeds back to server.

Described 6th receives unit 701 is additionally operable to receive the described video forwarded by described base station Packet.

6th reception unit 701 of subscriber equipment will receive by regarding that base station forwards always Frequently packet.

Embodiments provide a kind of server, as shown in Figure 8, including: the 8th receives Unit 801, encodes encapsulation unit 802, the second transmitting element 803.

8th receives unit 801, for receiving the network condition information fed back by subscriber equipment.

After base station detects current wireless channel conditions, can be sent to network condition information use Family equipment.Subscriber equipment receives described network condition information, and by described network condition information Feeding back to server, reception is fed back by the 8th reception unit 801 of server by subscriber equipment Network condition information.

In actual applications, except containing network condition information in subscriber equipment feedack Outward, the most also can include other feedback informations, such as relative time delay, packet loss, initially broadcast Time delay, average throughput etc., these feedback informations be in prior art subscriber equipment to server Feedack, those skilled in the art are aware that understanding, do not repeat them here.

Coding encapsulation unit 802, for receiving, according to the described 8th, the institute that unit 801 receives State network condition information and adjust code level and by video data according to the code level after adjusting Encode, the data after coding are packaged into video data bag.

Wherein, obtain video data bag according to described network condition information coding to include: work as network When condition information is network congestion, reduces the code level of data and the data of video image are pressed Encode according to this code level, the data after coding are packaged into video data bag；Work as network When condition information is network idle, improves the code level of data and the data of video image are pressed Encode according to this code level, the data after coding are packaged into video data bag.

Second transmitting element 803, regards described in being encapsulated by described coding encapsulation unit 802 Frequently packet is sent to base station.

Video data bag after server will adjust coding is sent to base station, so that base station is by institute State the video data bag after process and be transmitted to subscriber equipment.

In the embodiment of the present invention, the device shown in Fig. 6-8 can be used in the side shown in Fig. 5 Method.

Embodiments provide a kind of server, base station and subscriber equipment, examined by base station Survey wireless channel conditions, and network condition information is sent to subscriber equipment, so that user sets For network condition information is fed back to server, server is then according to the network condition letter received Breath adjusts code level and is encoded according to the code level after adjusting by video data, will compile Data after Ma are packaged into video data bag；Video data bag after processing is sent to base station, So that the video data bag after described process is transmitted to subscriber equipment, namely by base by base station Station detects network condition information, so timely than the feedback information detected by subscriber equipment, from And feedback time can be reduced, namely enable the server to utilize network condition information in time It is scheduling processing, so can make full use of resource or reduce loss of data, improve video The real-time of transmission, and take full advantage of air interface resource, improve systematic function.

One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment Suddenly can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer In read/write memory medium, this program upon execution, performs to include the step of said method embodiment； And aforesaid storage medium includes: ROM, RAM, magnetic disc or CD etc. are various can store journey The medium of sequence code.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also Being not limited to this, any those familiar with the art is at the technology model that the invention discloses In enclosing, the change that can readily occur in or replacement, all should contain within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims

1. a video transmission method, it is characterised in that including:

Method the most according to claim 1, it is characterised in that described second video counts According to bag it is: by described server by the data in importance regions different in video image according to difference Coded system coding obtain the encoding stream in different importance regions, then the coding by each region One group of video data bag that stream obtains after being packaged into video data bag respectively；

Described according to described first feedback information be scheduling process before, also include:

The encoding stream in different importance regions in described second video data bag is read in described base station；

Described base station is by the coding in importance regions different described in described second video data bag The video data bag that stream is packaged into is respectively stored in different buffer areas, or is described difference The video data bag that the encoding stream in importance region is packaged into is respectively configured different radio bearers RB；

Described according to described first feedback information be scheduling process, including:

Described base station encapsulates according in described first feedback information and described second video data bag Described second video data bag is scheduling processing by the different importances of zones of different encoding stream.

Method the most according to claim 1 and 2, it is characterised in that described first anti- Feedforward information includes: in relative time delay, packet loss, average throughput, broadcasting buffer data size At least one parameter；

Described it be scheduling process according to described first feedback information and include:

Described first feedback information and the second feedback information are compared, described second feedback letter Breath is the feedback information of the upper one group of video data bag for described first video data bag；

If described comparative result includes at least one of situations below: relative time delay shortens, packet loss Diminishing, average throughput increases, and plays buffer data size increase；Then according at least with lower section One of formula carries out described dispatch deal: promote what the encoding stream of least important area data was packaged into The priority of video data bag, does not carries out discard processing to described second video data bag, and Reduce the dispatching priority of described subscriber equipment；

If described comparative result includes at least one of situations below: relative time delay is elongated, packet loss Becoming big, average throughput reduces, and plays buffer data size reduction；Then according at least with lower section One of formula carries out described dispatch deal: abandons and is packaged into by the encoding stream of least important area data Video data bag, reduce the video data that is packaged into by the encoding stream of least important area data The dispatching priority of bag, promotes the video data being packaged into by the encoding stream of most important region data The dispatching priority of bag, and promote the dispatching priority of described subscriber equipment.

Method the most according to claim 1 and 2, it is characterised in that described first anti- Feedforward information includes: the data volume received in caching of described subscriber equipment；

If the described data volume received in caching is less than or equal to the first minimal protection door preset Limit, then improve the dispatching priority of described subscriber equipment, and/or, abandon by the most important district The video data bag that the encoding stream of numeric field data is packaged into；

And/or,

If the described data volume received in caching is more than or equal to the first the highest protection door preset Limit, then reduce the dispatching priority of this subscriber equipment.

Method the most according to claim 1 and 2, it is characterised in that described method is entered One step includes: described base station receives the Video Applications status information that described subscriber equipment sends；

If described Video Applications status information is for closing, the most described base station stops dispatch deal and biography The defeated subsequent video data bag for described subscriber equipment；Or described base station sends out to described server Send expiry notification so that described server stops the subsequent video number for described subscriber equipment Transmission according to bag；

If described Video Applications status information is for stopping or suspending, time-out scheduling office, the most described base station Manage and transmit the subsequent video data bag for described subscriber equipment；Or described base station is to described clothes Business device sends and suspends notice so that described server suspends follow-up for described subscriber equipment The transmission of video data bag；

If described Video Applications status information is buffering, dispatch deal and biography are continued in the most described base station The defeated subsequent video data bag for described subscriber equipment.

6. a base station, it is characterised in that including:

Base station the most according to claim 6, it is characterised in that described first receives list The described second video data bag that unit receives is: by described server by weights different in video image The data in the property wanted region obtain the volume in different importance region according to different coded system codings Code stream, then a group obtained after the encoding stream in each region is packaged into video data bag respectively regards Frequently packet；

Described first receive unit receive described subscriber equipment send for described first Described first feedback information of video data bag include relative time delay, packet loss, average throughput, In the case of playing at least one parameter in buffer data size,

Described first processing unit is specifically for by described first feedback information and the second feedback letter Breath compares；Described comparative result includes at least one of situations below: relative time delay shortens, Packet loss diminishes, and average throughput increases, and plays buffer data size increase；Then according to extremely One of few in the following manner carries out described dispatch deal: promote the encoding stream of least important area data The priority of the video data bag being packaged into, does not abandons place to described second video data bag Reason, and reduce the dispatching priority of this described subscriber equipment；If described comparative result include to One of few situations below: relative time delay is elongated, packet loss change is big, and average throughput reduces, with And play buffer data size reduction；Then carry out described scheduling office according at least one of in the following manner Reason: abandon the video data bag being packaged into by the encoding stream of least important area data, reduce by The dispatching priority of the video data bag that least encoding stream of important area data is packaged into, promotes The dispatching priority of the video data bag being packaged into by the encoding stream of most important region data, and Promote the dispatching priority of described subscriber equipment；Described second feedback information is for described first The feedback information of upper one group of video data bag of video data bag；

The feelings of the data volume received in caching of subscriber equipment are included at described first feedback information Under condition,

Described first processing unit specifically for when described receive caching in data volume less than or During equal to the first minimal protection thresholding preset, improve the dispatching priority of described subscriber equipment, And/or, abandon the video data bag being packaged into by the encoding stream of least important area data；With/ Or, described first processing unit specifically for when described receive caching in data volume more than or etc. When the first default the highest protection thresholding, reduce the dispatching priority of described subscriber equipment.

Base station the most according to claim 7, it is characterised in that described first processes list Unit is additionally operable to further:

Receive after unit receives described second video data bag described first and read described second The encoding stream in different importance regions in video data bag；

The encoding stream in importance regions different described in described second video data bag is packaged into Video data bag be respectively stored in different buffer areas, or be described different importance district The video data bag that the encoding stream in territory is packaged into is respectively configured different RB；So that described One processing unit encapsulates not according in described first feedback information and described second video data bag It is scheduling processing to described second video data bag with the different importances of region encoding stream.

9. according to the base station described in any one in claim 6～8, it is characterised in that

Described first receives unit is additionally operable to receive the Video Applications shape that described subscriber equipment sends State information；

Described first processing unit is additionally operable to, when described first receives the described video that unit receives When application state information is for closing, after stopping dispatch deal and transmitting for described subscriber equipment Continuous video data bag；Or send expiry notification to described server so that described server stops Transmission for the subsequent video data bag of described subscriber equipment；When described Video Applications state is believed When breath is for stopping or suspending, then suspend dispatch deal and follow-up for described subscriber equipment of transmission Video data bag；Or send time-out notice to described server so that described server suspends pin Transmission to the subsequent video data bag of described subscriber equipment；When described Video Applications status information For buffering, dispatch deal is continued in the most described base station and transmission regards for the follow-up of described subscriber equipment Frequently packet.

10. a video transmission method, it is characterised in that including:

11. methods according to claim 10, it is characterised in that described subscriber equipment The video data bag sent in buffer area be: by described subscriber equipment by different in video image The data in importance region obtain different importance region according to different coded system codings Encoding stream, then a group obtained after the encoding stream in each region is packaged into video data bag respectively Video data bag；

The transmission of described subscriber equipment is cached according to described 3rd feedback information in described base station Before video data bag in district is scheduling processing, also include:

The coding in different importance regions in the video data bag having been received by is read in described base station Stream；

Described base station is by importance regions different described in the described video data bag having been received by The video data bag that is packaged into of encoding stream be respectively configured different radio bearer RB；

Described base station is according to described 3rd feedback information transmission buffer area to described subscriber equipment In video data bag be scheduling process and specifically include:

If the quantity of the video data bag sent in buffer area of described subscriber equipment less than or etc. In the second default minimal protection thresholding, then reduce described subscriber equipment and send video in buffer area The priority of packet；If the number of the video data bag sent in buffer area of described subscriber equipment Amount more than or equal to the second the highest protection thresholding preset, then improves described subscriber equipment and sends slow Deposit the priority of video data bag in district.

12. 1 kinds of base stations, it is characterised in that including:

13. base stations according to claim 12, it is characterised in that described subscriber equipment The video data bag sent in buffer area be: by described subscriber equipment by different in video image The data in importance region obtain different importance region according to different coded system codings Encoding stream, then a group obtained after the encoding stream in each region is packaged into video data bag respectively Video data bag；

Described second processing unit is different specifically for reading in the video data bag having been received by The encoding stream in importance region；And by weights different described in the described video data bag having been received by The video data bag that the encoding stream in the property wanted region is packaged into is respectively configured different radio bearers RB；So that subscriber equipment according to configuration described different radio bearer RB by described video Packet is stored in different transmission buffer areas；

Described second processing unit is additionally operable to, if regarding in the transmission buffer area of described subscriber equipment Frequently the quantity of packet is less than or equal to the second minimal protection thresholding preset, then reduce described use The priority of video data bag in the transmission buffer area of family equipment；If the transmission of described subscriber equipment The quantity of the video data bag in buffer area is more than or equal to the second the highest protection thresholding preset, That then improves described subscriber equipment sends the priority of video data bag in buffer area.